As if to underline, highlight, and italicize the mayor’s support for green design, today New York Mayor Bloomberg signed into law a bill that will allow sun control devices to protrude from buildings up to two-and-a-half feet. If the legislation sounds similar to the Zone Green legislation passed by City Planning back in March, that’s because it is. But the new legislation brings this particular building code in line with one of the many zoning codes encompassed by Zone Green.